^Moore, Alan W. (2017). "ABC No Rio as an Anarchist Space". In Goyens, Tom (ed.). Radical Gotham: Anarchism in New York city from Schwab's saloon to occupy Wall Street. Urbana: University of Illinois. pp. 201–220. ISBN978-0-252-08254-2.
^Rosenzweig, Roy (1992). The park and the people: A history of Central Park. Ithaca, N.Y.: Cornell University Press. p. 85. ISBN0-8014-9751-5.
^Sorensen, Steve (10 March 1988). "Slab City and its neighborhoods: Poverty Flats, Niland Heights, Little Canada, Slab City Singles, and Drop Seven and Drop Eight". San Diego Reader. Retrieved 3 February 2023. In the Fifties, after the base was torn down, the land was returned to the State of California, which owns it today. Before long, desert campers and weekend fishermen visiting the Salton Sea learned that the concrete slabs made clean and convenient places to set up camps. Guests staying at the hot-spring spas north of Niland used to organize dances on the slabs, and, eventually, retired people began hauling their trailers out to the slabs to spend the winter.
^Rameau, Max (2008). Take back the land: Land, gentrification and the Umoja Village shantytown. Miami, FL: Nia Interactive Press. ISBN978-1-4348-4556-6.